Home / 970,833,156.27-1,457,286,043.28-418,408,208.34

Finding the Fourth Proportional to 970,833,156.27, 1,457,286,043.28 and 418,408,208.34

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Solution

The fourth proportional to 970,833,156.27, 1,457,286,043.28 and 418,408,208.34 is: 628,058,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,833,156.27 : 1,457,286,043.28 = 418,408,208.34 : x
  2. Step 2: Convert to fraction form
    970,833,156.27/1,457,286,043.28 = 418,408,208.34/x
  3. Step 3: Cross multiply
    970,833,156.27x = 1,457,286,043.28 × 418,408,208.34
  4. Step 4: Simplify right side
    970,833,156.27x = 609,740,442,407,672,448
  5. Step 5: Solve for x
    x = 609,740,442,407,672,448/970,833,156.27
  6. Step 6: Final answer
    x = 628,058,939.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.